Use cases
Worked examples on Sume's catalog Formats and endpoints: product video and photography, try-on, app and product ads, logo animation, and more.
Start with Ready-made Formats for product video: the Sume Format catalog
Upscale a 5-minute clip on Sume: 30-second parts, then join
Sume Video Upscale takes up to 30 seconds per job. A 5-minute clip is ten parts: trim, upscale each at $0.009 per second, join. The math comes to about $3.41.
Verify a spoken ad disclosure is in the final mix with STT word times
Detach the final ad's audio, transcribe it with Sume STT, and confirm the required line is spoken and when it starts. Python check, not legal advice.
Voice replication blocked in IL, TX, EEA, UK, CH, IN: plan voiceovers
Digital Applied reports Gemini voice replication is unavailable in Illinois, Texas, the EEA, UK, Switzerland and India. A market plan using ready-made voices.
Chain Wan 3.0 clips: last frame of one is the first frame of the next
Extend a Wan 3.0 scene past one clip by extracting a still near the end with video-frames and passing it as the first frame of the next request.
YouTube automatic branded-content labels: a checklist for AI clips
air.io reports YouTube began automatic branded content labeling in September 2026. Keep sponsor facts straight and scan a clip for brand mentions.
YouTube likeness detection now covers voice: what Sume's API does
air.io says YouTube extended likeness detection to speaking voice in August 2026. Sume's API does not clone voices, so what to log and avoid.
Firefly Generate Music for a video vs Sume music with inspect
Adobe Firefly can score an uploaded video. Sume music takes text and an optional image, so inspect the clip first, then write the brief and pass a still.
AI game trailer generator: 4-30 s shots joined in Timeline
Build a game trailer from separate seedance-2.5 shots of 4 to 30 seconds, then join them in Timeline 1.0 with fade or wipe transitions between slots.
Multilingual video captions: language is a hint, not a font
On Sume video captions, `language` only tells speech-to-text what to expect. Look and font come from `style`, `design` and `font`, never from the language.
ElevenLabs agent hold audio: 180 s, 40 MB; make it with Sume
ElevenLabs agent hold audio must be MP3 or WAV, up to 40 MB and 180 seconds. Steer a Sume track's length in the prompt, trim with Timeline audio, export mp3.
FLUX Virtual Try-On v2: 4 MP inputs and a Sume reference edit
BFL's vto-v2 keeps inputs up to 4 MP as-is. Sume has no try-on endpoint in these docs; a garment swap is a reference edit with public HTTPS images.
Seamless looping food video with AI: same first and last frame
To loop a food clip, send one image as image_url and end_image_url to Gemini Omni Flash 1.1, which Google says suits seamless loops. Clips run 3 to 10 seconds.
Gemini TTS two-speaker limit: three-voice dialogue with Sume concat
Gemini TTS configures two speakers per request. For three voices on Sume, make one TTS job per voice and join up to 20 parts with Timeline audio concat.
Change a garment's colour in a photo with a mask_url edit
Recolour clothing with a mask: send the photo as an input reference, a public HTTPS mask_url, and a colour prompt to ChatGPT Image 2.5 on POST /v1/images.
HeyGen avatar new outfit with reference images vs Sume
HeyGen prompt avatars take avatar_id plus up to three reference_images for a new outfit. Sume's photo input takes one image_url per avatar.
Add a hook title to the first seconds of a video with one cue
Send one authored cue with start 0 and end 3 to POST /v1/video-captions and Sume burns that hook text into the clip, with no speech-to-text step.
Ken Burns effect API: Timeline stills are static holds
Sume Timeline holds a still image static; motion is accepted and ignored with a motion_ignored warning. zoompan is on the video filter allowlist.
AI kids story video generator: scenes of 2 to 30 seconds
Make a children's story video as one scene per request: wan-3.0 takes 2 to 30 seconds per scene, then join up to 200 slots in a Timeline 1.0 render.
AI real estate walkthrough from photos: chain first/last-frame clips
Kling 4.0 takes up to 10 keyframes for a walkthrough. Sume takes a first and last frame per clip, so chain one clip per room pair and join them on a timeline.
LinkedIn ad image size and AI-generated images in Campaign Manager
LinkedIn single image ads accept JPG, PNG or GIF up to 5 MB, and Campaign Manager has its own AI image tool. Which format to set on a Sume upload.
LinkedIn carousel ad specs: 2 to 10 cards, images only
LinkedIn carousel ads take 2 to 10 image cards up to 10 MB each, 1080x1080 recommended, no video. How to plan the cards with Sume's four-images-per-job limit.
LinkedIn in-stream video ads: up to 90 seconds, in testing
LinkedIn's video ad page says in-stream ads can run up to 90 seconds and are in testing. How to trim a clip to length and make a horizontal and vertical pair.
LinkedIn 4:5 ad image: 720x900, mobile only, no side borders
LinkedIn's vertical single image ad is 4:5 at 720x900 and serves on mobile only; 1:1.91 vertical images get side borders. How to request 4:5 on Sume.
LinkedIn video ad thumbnail and captions: JPG/PNG 2 MB, SRT
LinkedIn wants a JPG or PNG thumbnail up to 2 MB and text-only SRT captions. Sume extracts the frame still; its caption route burns text into the video.
Add a lower third name tag to a video with an API
Sume has no lower-third template. Burn a name and title as one authored caption cue with a newline, and set its height with design.placement.anchor_ratio.
Midjourney style reference API: input_references on Sume
Midjourney's srefs live in its own app. On Sume, carry a style with a public HTTPS reference image in input_references plus a prompt, on models that allow it.
Export one video as 9:16, 1:1 and 16:9 with the API
Call Timeline 1.0 three times with the same clip and a different output.width and height each time. Three renders cost $0.30 for a clip under a minute.
Pinterest ad image size: 2:3, 1000x1500, 40-character title
Pinterest ad images: PNG or JPEG, 2:3 (1000x1500), 100-character title with about 40 showing. Why 1000x1500 clashes with Sume's x16 pixels rule.
Pinterest Collections ads specs: one hero, up to 24 secondaries
A Pinterest Collections ad shows one hero and three secondaries, then up to 24 secondaries fullscreen. No GIFs, desktop only. A batching plan for the assets.
Pinterest white-background Pins get a 4% overlay: what to do
Pinterest puts a faint #000000 layer at 4% opacity on white-background image Pins in light mode. Choose your generated background tone on purpose.
Pinterest Showcase ads specs: title Pin plus four cards
A Pinterest Showcase ad is one 2:3 title Pin plus up to four static cards, with up to three features per card. Plan it as one generated image set.
Pinterest video pin minimum length: 4 seconds, and which models fit
Pinterest's product specs set a 4-second minimum for video pins. seedance-2.5 starts at 4 seconds in Sume; wan-3.0 and Gemini Omni Flash can go shorter.
Podcast video clip in vertical format: 1080x1920 by default
Timeline 1.0 renders 1080x1920 MP4 by default, so a podcast clip is vertical unless you set output width and height. Cut, segment and render steps.
AI podcast intro music generator: one prompt, fixed price
Write a podcast intro as one Music Router prompt of 1 to 5000 characters. Every generation is charged the fixed Music price, whichever model id you route to.
Prime Big Deal Days beauty video ads: avatar clips, 4-60 s
Make beauty product ads for Prime Big Deal Days with Avatar Video: scripts must estimate to 4-60 seconds, and product_image is optional. Sizes and prices.
Bulk product videos for Prime Big Deal Days: 100 Format runs
Queue up to 100 Format runs in one bulk request with a concurrency window of 1 to 16, then poll one queue id. Setup, limits and the traps to avoid.
Recraft Crisp Upscale vs Creative Upscale, and Sume's upscale
Recraft's Crisp Upscale enlarges without redrawing; Creative Upscale regenerates. Sume's Image Upscale 1.0 takes an image_url and a factor from 1 to 4.
AI presenter for a SaaS demo video, with or without a product image
For a SaaS demo, omit `product_image` for a productless avatar video, or add one. Each Sume avatar job runs 4 to 60 seconds, so longer demos are split.
AI video background swap for a fashion lookbook with Seedance 2.5
Seedance 2.5 describes green screen editing that swaps a background and keeps the subject. On Sume, send the garment clip as a video reference, 4 to 30 seconds.
Seedance 2.5 green screen editing: what Sume can do
ByteDance says Seedance 2.5 improves green screen editing. Sume's docs document an edit mode only for Gemini Omni Flash 1.1; Seedance takes video references.
AI workout video generator: Seedance 2.5, 4 to 30 seconds
For a workout demo, one Seedance 2.5 request runs 4 to 30 seconds on Sume, with video and audio references; most other catalog models stop at 15 seconds.
Synthesia Avatar Builder credits: 14 per option, and Sume jobs
Synthesia Avatar Builder charges 14 credits per generated option. Sume creates an avatar with one job per request via POST /v1/avatar-1.0/generate.
Synthesia bulk download of 20 videos vs Sume result URLs
Synthesia can bulk download up to 20 videos as .mp4 files. On Sume you list avatar-video resources and fetch each job's result for its media.sume.com URL.
Synthesia CSV bulk personalization vs Sume bulk runs (1-100)
Synthesia maps CSV or XLSX columns to template variables. Sume bulk runs take a JSON array of 1 to 100 Format runs with a concurrency window of 1 to 16.
Synthesia animated scene preview vs Sume first-frame stills
Synthesia previews one scene with a fully animated avatar. Sume previews are first-frame stills with no motion, approved before the full render.
Synthesia avatar sharing vs Sume workspace-scoped avatars
Synthesia shares an avatar's base person with teammates or a workspace. Sume API keys are workspace-scoped, and avatars are referenced by handle.
TikTok Ad Network asset specs: banner 640x100 and where Sume stops
TikTok Ad Network wants video at 1280x720, 720x1280 or 720x720 and banners at 600x500, 640x200 or 640x100. What Sume renders natively and what needs a crop.
TikTok carousel ad specs: 2-35 images and three sizes
A standard TikTok carousel takes 2 to 35 JPG or PNG images at 1200x628, 640x640 or 720x1280. Here is how to map those onto Sume image settings.